These are the grades we follow at Musolf's. There are many other guidelines out there but this is what you can expect when you come into our showrooms. Now that you have decided to install hardwood flooring, you will be speaking with a lot of folks in the industry. These terms might help you get through those conversations with a little more ease. In recent years Rift and Quartered flooring, in White Oak and Red Oak, have become quite popular across North America.